Home / 188,118.16-259,610.48-103,238.24

Finding the Fourth Proportional to 188,118.16, 259,610.48 and 103,238.24

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Solution

The fourth proportional to 188,118.16, 259,610.48 and 103,238.24 is: 142,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118.16 : 259,610.48 = 103,238.24 : x
  2. Step 2: Convert to fraction form
    188,118.16/259,610.48 = 103,238.24/x
  3. Step 3: Cross multiply
    188,118.16x = 259,610.48 × 103,238.24
  4. Step 4: Simplify right side
    188,118.16x = 26,801,729,040.76
  5. Step 5: Solve for x
    x = 26,801,729,040.76/188,118.16
  6. Step 6: Final answer
    x = 142,472.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.